@mixin flexLayout($j: unset, $a: unset, $dir: unset) {
  display: flex;
  justify-content: $j;
  align-items: $a;
  flex-direction: $dir;
}
@mixin commonTransition() {
  transition: .3s all cubic-bezier(0.165, 0.84, 0.44, 1)
}